Earplug



FIG. 1 is a front elevational view of an earplug according to our newdesign;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a partially broken cross-sectional side view thereof, takenalong the line 4--4 of FIG. 1.

The ornamental design for an earplug, as shown and described. 